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300861-C Rev. 00 1-1
Chapter 1
Simple Network Management Protocol (SNMP)
This chapter describes the Simple Network Management Protocol (SNMP) and
the SNMP agent provided by the RAC. This chapter includes the following
sections:
• SNMP Protocol Overview
• SNMP Commands
SNMP Overview
SNMP provides an alternative means of managing the RAC. SNMP operates over
the UDP (Unreliable Datagram Protocol), which is part of the TCP/IP protocol
suite.
• The Structure of Management Information (SMI), defined in RFC 1155, is a
framework that describes what kinds of information can be manipulated using
SNMP. Using SMI, objects are placed as nodes in an object tree. The object
tree groups logically related objects into subtrees. Each of these subtrees is
called a MIB (Management Information Base).
• MIBs located on the SNMP Network Management Station describe the
information that is relayed from the agents.
• The SNMP network management station or application can send queries to
the SNMP agent located in each RAC.
• Each SNMP agent collects information about its RAC and provides that
information to the Network Management Station. The agent process acts as a
server in a typical client-server model.